1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index ef5795d0396b..f3eebd2b2d72 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -1947,6 +1947,15 @@ static int __init init_dmars(void)
                 }
         }
 
+#ifdef CONFIG_INTR_REMAP
+        if (!intr_remapping_enabled) {
+                ret = enable_intr_remapping(0);
+                if (ret)
+                        printk(KERN_ERR
+                               "IOMMU: enable interrupt remapping failed\n");
+        }
+#endif
+
         /*
          * For each rmrr
          *   for each dev attached to rmrr